• Model:BDP

Backdraft Dampers - BDP

£ 5.98 (excl. VAT)

£ 7.18 (inc. VAT)

Ducting Backdraft Dampers

The BDP01 damper has aluminium lamellae which open during the air flow in one direction and close when air is draught back. When no air is flowing, the lamellae are maintained closed using a spring..

Also used to prevent movement of odours and air flow in ducting and noise reduction.

Available sizes - 100m to 315mm, Please select above

Download specifications HERE

Available Options

1 x JSR 200 Painted RAL50181 x Balance S Diffuser - NO RING - 100mm1 x CONTROL ECOWATT - Basic1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel3 x Systemair Save Connect 2.0 Internet Module1 x EC-Vent Room Unit1 x Elta ACO Panel 149-ACO18B1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EM30-24 Control Panel Commissioning Service1 x NKS-D swirl diffuser v-300 x 300mm1 x PCA Diffuser - PCA-3151 x Elta ACO Panel 149-ACO14E2 x Transformer 5 Speed Controller - ATC1-4TK1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 10 Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller1 x RTRD - Three Phase Speed Controller - 2 Amp1 x RDS 7 Helios Transformer Controller With Motor Protection3 x Vent Axia ACM 125 inline mixed flow duct fan2 x Temperature Fan Speed Controller - ATCP4-WMS1 x CS2 Current Switch1 x Vent Axia ACM 150 inline mixed flow duct fan2 x MV-B Dual Switch for use with Helios HQW plate fans,2 x Isolator Switch - ISOSW1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 100 inline mixed flow duct fan2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x TG-K Duct temperature sensor2 x Elta 6 Amp Electronic single phase speed controller with TK1 x 7 Day Programmable TIMECLOCK2 x MWS 1.5 – Transformer Controller With Motor Protection1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x WS - Reversing Switch from Helios Fans1 x Transformer 5 Speed Controller - ATC1-12TK1 x Two Speed Switch - REGUL-21 x DEF-140T Inlet Guard for the CBT-100N1 x Helios HQW-630/4 - IP552 x CBS-60 Outlet Flange for CSB/CBT-603 x Transformer (silent) speed controller - RE 3.0 Amp1 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)2 x Helios HQW-200/4 - IP552 x Remote Timer Control - 13512 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Electronic extractor fan speed controller - FSC 1.52 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Speed Controller - REB32 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Speed Controller - REB51 x MWS 3 – Transformer Controller With Motor Protection2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Helios TSW 3 Amp Transformer speed controller1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Helios HQW-315/4 - IP551 x Elta 3 Amp Electronic single phase speed controller with TK1 x Transformer 5 Speed Controller - ATC1-2TK1 x Transformer Speed Control - RTRE- 7.0Amp2 x SG-200 Fan Guard for the HQW 2001 x Speed Controller - REB61 x Transformer 5 Speed Controller - ATC1-8TK1 x Transformer 5 Speed Controller - ATC1-10TK1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Multiflow SMB550/4-1AC1 x Transformer (silent) speed controller - RE 5.0 Amp1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Push Timer Switch - ZA41 x REB-CVF 0-10v Controller1 x CBM 9-9 550w 4P VR (Open Motor)1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x TG-K3/NTC10-01 - Duct temperature sensor
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

I have a loft mount extractor fan which was very noisy. I ...